Re: filesystem logical block number

[Vladimir Saveliev]

Hello

On Thu, 2004-02-26 at 01:11, Yijian Wang wrote:
> Hello,
> 
> Does anybody know how to get the logical block numbers of file accesses?
> i.e. if I want to read some data from a file, how can I know which block
> numbers I am accessing? Is there any system call?
> 
#include <linux/fs.h>

ioctl (fd, FIBMAP, &block)

You have to run this as root, though

> Thank you!
> 
> regards,
> Yijian Wang
> 
> 
> 
> 
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